.parent{
  padding: 30px;
  background-color: skyblue;
}
.child{
  padding: 30px;
  background-color: cadetblue;
}
.grandson{
  padding: 30px;
  background-color: burlywood;
}
.grandson1{
  padding: 30px;
  background-color: goldenrod;
}
.grandson2{
  padding: 30px;
  background-color: khaki;
}